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Supertopics:
Mineral Depletion (Peak Minerals)
Phosphorus
Plant Nutrient Defficiencies

Phosphorus Depletion (Peak Phosphorus)

Subtopics:
webWalan, P., Davidsson, S., Joha...Resources, Conservation and Re...2014-12-01
webJames DykeThe Conversation2014-04-01
webEnergy Bulletin2010-12-03
webEnergy Bulletin2007-08-13
webEnergy Bulletin2007-08-13